Finding the Fourth Proportional to 10,899,321.66, 15,043,176.09 and 6,255,855.99
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Solution
The fourth proportional to 10,899,321.66, 15,043,176.09 and 6,255,855.99 is: 8,634,293.60
Step by Step Solution
- Step 1: Write the proportion equation
10,899,321.66 : 15,043,176.09 = 6,255,855.99 : x - Step 2: Convert to fraction form
10,899,321.66/15,043,176.09 = 6,255,855.99/x - Step 3: Cross multiply
10,899,321.66x = 15,043,176.09 × 6,255,855.99 - Step 4: Simplify right side
10,899,321.66x = 94,107,943,251,251.28 - Step 5: Solve for x
x = 94,107,943,251,251.28/10,899,321.66 - Step 6: Final answer
x = 8,634,293.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.